<template>
  <h2 ref="title2">你好</h2>
  <button @click="showLog">点我</button>
   <Person ref="ren"/>
</template>
<script lang="ts" setup name="App">
// js或ts
import Person from "./components/Person.vue";
import { ref } from "vue";
let title2 = ref()
let ren=ref()

function showLog() {
  // console.log(title2.value);
  console.log(ren.value);
  
  
}

</script>

